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 Название: Non-destructive Diagnostic of High Voltage Electrical Systems: Theoretical Analysis and Practical Applications
Автор: Josef Vedral
Издательство: River Publishers
Год: 2023
Страниц: 336
Язык: английский
Формат: pdf (true)
Размер: 28.7 MB
This book describes the methods of signal processing used in the non-destructive diagnostics of mechanical and electrical properties of high-voltage electrical machines. Traditional and less traditional methods are given, which allow measuring the mechanical and electrical properties of these machines in order to determine their technical condition, including a description of their measurement methods. Separate chapters are devoted to the causes and methods of measuring and evaluating partial discharges arising in the insulation systems of high-voltage electrical machines. The following chapters provide an overview of the test methods used in the non-disassembly diagnostics of high-voltage transformers, rotary machines, high-voltage cables, insulators, surge arresters and circuit breakers. | |
Разместил: Ingvar16 9-03-2023, 17:45 | Комментарии: 0 | Подробнее
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 Название: Modeling Remaining Useful Life Dynamics in Reliability Engineering
Автор: Pierre Dersin
Издательство: CRC Press
Год: 2023
Страниц: 199
Язык: английский
Формат: pdf (true)
Размер: 20.6 MB
This book applies traditional reliability engineering methods to prognostics and health management (PHM), looking at remaining useful life (RUL) and its dynamics, to enable engineers to effectively and accurately predict machinery and systems useful lifespan. One of the key tools used in defining and implementing predictive maintenance policies is the RUL indicator. However, it is essential to account for the uncertainty inherent to the RUL, as otherwise predictive maintenance strategies can be incorrect. This can cause high costs or, alternatively, inappropriate decisions. Methods used to estimate RUL are numerous and diverse and, broadly speaking, fall into three categories: model-based, data-driven, or hybrid, which uses both. The author starts by building on established theory and looks at traditional reliability engineering methods through their relation to PHM requirements and presents the concept of RUL loss rate. Following on from this, the author presents an innovative general method for defining a nonlinear transformation enabling the mean residual life to become a linear function of time. | |
Разместил: Ingvar16 9-03-2023, 02:10 | Комментарии: 0 | Подробнее
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 Название: Simulation and Optimization in Process Engineering : The Benefit of Mathematical Methods in Applications of the Chemical
Автор: Prof. Dr. Michael Bortz, Dr. Norbert Asprion
Издательство: Elsevier
Год: 2022
Страниц: 428
Язык: английский
Формат: pdf (true)
Размер: 45.8 MB
Simulation and Optimization in Process Engineering: The Benefit of Mathematical Methods in Applications of the Process Industry brings together examples where the successful transfer of progress made in mathematical simulation and optimization has led to innovations in an industrial context that created substantial benefit. Containing introductory accounts on scientific progress in the most relevant topics of process engineering (substance properties, simulation, optimization, optimal control and real time optimization), the examples included illustrate how such scientific progress has been transferred to innovations that delivered a measurable impact, covering details of the methods used, and more. | |
Разместил: Ingvar16 7-03-2023, 18:57 | Комментарии: 0 | Подробнее
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 Название: Solar Thermal Conversion Technologies for Industrial Process Heating
Автор: T.V. Arjunan, Vijayan Selvaraj, M.M. Matheswaran
Издательство: CRC Press
Год: 2023
Страниц: 360
Язык: английский
Формат: pdf (true)
Размер: 35.2 MB
Solar Thermal Conversion Technologies for Industrial Process Heating presents a comprehensive look at the use of solar thermal energy in industrial applications, such as textiles, chemical processing, and food. The successful projects implemented in a variety of industries are shown in case studies, alongside performance assessment methodologies. The book includes various solar thermal energy conversion technologies and new techniques and applications of solar collectors in industrial sectors. Solar energy is the largest and most widely distributed renewable energy resource on the planet and can be utilized for a wide range of applications, such as solar water heating, photovoltaic electricity generation, solar thermal energy generation, and all manner of passive and active solar architectures. Besides environmental consciousness, the dwindling of traditional energy sources also marks solar energy as the appropriate energy source to meet the increasing energy demand worldwide. Solar thermal collectors can be used effciently to meet the heating needs of industrial processes because many industrial processes in various industries operate at temperatures ranging from 80 °C to 240 °C. Industrial energy analysis shows that solar thermal energy has enormous applications at low (i.e. 20–200 °C), medium, and medium-high (i.e. 80–240 °C) temperature levels. Almost all industrial processes require heat in some parts of their processes. | |
Разместил: Ingvar16 7-03-2023, 16:03 | Комментарии: 0 | Подробнее
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 Название: Risk-Based Planning and Operation Strategy Towards Short Circuit Resilient Power Systems
Автор: Chengjin Ye, Chao Guo, Yi Ding
Издательство: Springer
Год: 2023
Страниц: 189
Язык: английский
Формат: pdf (true), epub
Размер: 41.6 MB
This book focuses on the comprehensive prevention and control methods for short-circuit faults in power systems. Based on the quantification method of power system short-circuit fault risk considering extreme meteorological disasters, this book carries out theoretical research on optimal control of power system short-circuit faults at the planning and operation levels. The establishment of a comprehensive index system for short-circuit safety level of large power grids from several sides and the realization of a panoramic display of consequences of short-circuit faults in power grids are one of the features of this book, which are especially suitable for readers interested in learning about short-circuit fault solutions in power systems. This book can benefit researchers, engineers, and graduate students in the fields of electrical engineering, power electronics, and energy engineering. | |
Разместил: Ingvar16 5-03-2023, 20:00 | Комментарии: 0 | Подробнее
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 Название: Structural Optimization Using Shuffled Shepherd Meta-Heuristic Algorithm: Extensions and Applications
Автор: Ali Kaveh, Ataollah Zaerreza
Издательство: Springer
Серия: Studies in Systems, Decision and Control
Год: 2023
Страниц: 288
Язык: английский
Формат: pdf (true)
Размер: 12.2 MB
This book presents the so-called Shuffled Shepherd Optimization Algorithm (SSOA), a recently developed meta-heuristic algorithm by authors. There is always limitations on the resources to be used in the construction. Some of the resources used in the buildings are also detrimental to the environment. For example, the cement utilized in making concrete emits carbon dioxide, which contributes to the global warming. Hence, the engineers should employ resources efficiently and avoid the waste. In the traditional optimal design methods, the number of trials and errors used by the designer is limited, so there is no guarantee that the optimal design can be found for structures. Hence, the deigning method should be changed, and the computational algorithms should be employed in the optimum design problems. The four primary categories of metaheuristic algorithms are evolution-based, physics-based, swarm-based, and human-based, depending on their inspiration. Evolutionary algorithms are inspired by the characteristics of the biological evolution, including crossover, mutation, and selection. Inspiration of swarm intelligence algorithms is based on the social behavior of creatures living in a group, which might be a swarm, herd, or flock. The human-based algorithms consist of optimizers that simulate certain human behaviors. As the fourth class of metaheuristic algorithms, physics-based algorithms are motivated by physical rules. | |
Разместил: Ingvar16 4-03-2023, 10:31 | Комментарии: 0 | Подробнее
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 Название: An Introduction to Condensed Matter Physics for the Nanosciences
Автор: Arthur McGurn
Издательство: CRC Press
Год: 2023
Страниц: 355
Язык: английский
Формат: pdf (true)
Размер: 10.1 MB
The book provides an accessible introduction to the principles of condensed matter physics with a focus on the nanosciences and device technologies. The basics of electronic, phononic, photonic, superconducting, optics, quantum optics, and magnetic properties are explored, and nanoscience and device materials are incorporated throughout the chapters. Many examples of the fundamental principles of condensed matter physics are taken directly from nanoscience and device applications. This is an introductory text on topics of condensed matter physics with a focus towards device development in the nanosciences. Consequently, a wide variety of subjects are included in electronics, optics, and acoustics, and to a certain extent, the topics chosen are essential in developing a theoretical background for working on nanoscience devices. | |
Разместил: Ingvar16 4-03-2023, 01:57 | Комментарии: 0 | Подробнее
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 Название: Advanced Functional Metal-Organic Frameworks: Fundamentals and Applications
Автор: Jay Singh, Nidhi Goel, Ranjana Verma, Ravindra Pratap Singh
Издательство: CRC Press
Год: 2023
Страниц: 335
Язык: английский
Формат: pdf (true)
Размер: 28.95 MB
Due to the structural flexibility, large surface area, tailorable pore size and functional tenability, metal-organic frameworks (MOFs) can lead to materials with unique properties. This book covers the fundamental aspects of MOFs, their synthesis and modification, including their potential applications in different domains. The major focus is on applications including chemical, biosensors, catalysis, drug delivery, supercapacitors, energy storage, magnetics and their future perspectives. Due to the structural flexibility, large surface area, tailorable pore size and functional tenability, metal-organic frameworks (MOFs) have become a fascinating class of materials and are continuing to inspire both scientists and engineers. MOFs are the combination of organic and inorganic structure elements that can lead to materials with unique properties, and the choice of initial building units makes it possible to vary some parameters, such as the pore size, density as well as the specific surface area, which opens up new ways to produce materials with tailored physicochemical properties. This ability to fine-tune MOF properties is evident in various areas, both academic and industrial, with potential practical applications including gas storage and separation, heterogeneous catalysis, chemical sensing, biomedical applications, fabrication of membranes or thin films and many more. Hence, these materials play a key role in life every day and their effect on the future of humanity’s technology. Therefore, exciting developments, new advancements and foundations, direction for further exploring MOFs for their applications and critical analysis of the research are necessary to provide the field’s current status. | |
Разместил: Ingvar16 4-03-2023, 01:06 | Комментарии: 0 | Подробнее
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 Название: Polarization Dynamics of Mode-Locked Fiber Lasers: Science, Technology, and Applications
Автор: Sergey V. Sergeyev, Chengbo Mou
Издательство: CRC Press
Год: 2023
Страниц: 237
Язык: английский
Формат: pdf (true)
Размер: 36.1 MB
This book provides a comprehensive review of the latest research on the science, technology, and applications of mode-locked fiber lasers generating pulse trains with the evolving state of polarization at time scales ranging from a few pulse widths to 10,000 laser cavity round-trip times. It supports readers with a timely source of information on the current novel scientific concepts, and cost-effective schematics, in addition to an overview of the feasible applications. The book aims to demonstrate for the nonlinear science community a newly emerging field of nonlinear science, and so stimulates the development of new theoretical approaches and opens new horizons for the photonics community by pushing boundaries of the existing laser systems towards new applications. The new classes of optical sources and photonic devices explored in this book will be relevant with applications to other fields, including medicine, bio-photonics, metrology, and environmental safety. | |
Разместил: Ingvar16 3-03-2023, 22:09 | Комментарии: 0 | Подробнее
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 Название: Thin-Films for Machining Difficult-to-Cut Materials: Challenges, Applications, and Future Prospects
Автор: Ch Sateesh Kumar, Filipe Daniel Fernandes
Издательство: CRC Press
Серия: Advanced Materials Processing and Manufacturing
Год: 2023
Страниц: 119
Язык: английский
Формат: pdf (true)
Размер: 20.9 MB
This book presents a balanced blend of fundamental research such as principles and characteristics of machining of difficult-to-cut materials and coating techniques and in-depth practical information on coatings techniques and classifications, the effect of coating parameters on machining responses, and finite element analysis of the machining performance of coated tools. In addition to the benefits of the thin-film deposition on the cutting tools, the limitations of the coating deposition techniques and the coating properties are also discussed. This book aims at bridging the gap between thin-film characterizations and the application of thin-films for machining difficult-to-cut materials. The book initially introduces the metal cutting operations, chip formation mechanism, cutting tool materials, and different difficult-to-cut materials so as to familiarize the reader with the terminology regarding the metal cutting operation in the subsequent sections. Furthermore, the book speaks about various machining challenges and difficulties taking into account the machining of materials like nickel-based superalloys and hardened steels which are considered difficult to cut. | |
Разместил: Ingvar16 3-03-2023, 15:44 | Комментарии: 0 | Подробнее
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